package com.sang.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean    3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器
        /*
            anon:无需认证
            authc:必须认证了才能访问
            user:必须拥有记住我功能才能用
            perms:拥有对某个资源的权限才能访问
            role:拥有某个角色权限才能访问
         */
        //拦截
        Map<String, String> filterMap = new LinkedHashMap<>();
        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");
        bean.setFilterChainDefinitionMap(filterMap);
        //验证授权
        filterMap.put("/add","perms[user:add]");
        filterMap.put("/update","perms[user:update]");

        //未授权就跳转到此请求
        bean.setUnauthorizedUrl("/noauth");

        //如果没有权限就调到登陆页面
        bean.setLoginUrl("/toLogin");

        return bean;
    }

    //DefaultWebSecurityManager 2
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象，需要自定义   1
    @Bean(name = "userRealm")
    public UserRealm userRealm() {
        return new UserRealm();
    }

    //整合ShiroDialect    用来整合shiro   thymeleaf
    @Bean
    public ShiroDialect getShiroDialect() {
        return new ShiroDialect();
    }

}
